# Print output for @column tags ?>
Developers

- Design
- Develop
- Distribute

Developer Console

## Most visited

## Recently visited

## Results for

# ViewTreeObserver.OnWindowAttachListener

`public static interface ViewTreeObserver.OnWindowAttachListener`
``

android.view.ViewTreeObserver.OnWindowAttachListener

Interface definition for a callback to be invoked when the view hierarchy is attached to and detached from its window.

## Summary

### Public methods
`abstract void` | `onWindowAttached()` Callback method to be invoked when the view hierarchy is attached to a window
`abstract void` | `onWindowDetached()` Callback method to be invoked when the view hierarchy is detached from a window

## Public methods

### onWindowAttached

    public abstract void onWindowAttached ()

Callback method to be invoked when the view hierarchy is attached to a window

### onWindowDetached

    public abstract void onWindowDetached ()

Callback method to be invoked when the view hierarchy is detached from a window

Full name *
Email address *
Company / developer name
One of your Play Store app URLs *
Which best describes your business:*
Apps
Games
Apps & Games
*
*